<%@page import="java.util.HashMap"%>
<%@page import="java.util.*" %>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
    <%
      Map ss=new HashMap();
      ss.put("key", "1234567890");
      ss.put("value","爹爹");
      pageContext.setAttribute("sss", ss);
    %>
    ${sss.key}
    ${sss.value}
</body>
</html>